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Latest Redtail surfperch Stories

Clues Captured For Sustainability Of Fish Populations
2012-09-28 10:33:22

Thanks to studies of a fish that gives birth to live young and is not fished commercially, scientists at UC Santa Barbara have discovered that food availability is a critical limiting factor in the health of fish populations. The scientists were able to attach numbers to this idea, based on 16 years of data. They discovered that the availability of enough food can drive up to a 10-fold increase in the per capita birthrate of fish. And, with adequate food, the young are up to 10 times more...


Latest Redtail surfperch Reference Libraries

Redtail Catfish, Phractocephalus hemioliopterus
2009-02-16 20:35:04

The Redtail Catfish (Phractocephalus hemioliopterus) is a species of long-whiskered catfish found in South America. It is native to the Amazon, Orinoco, and Essequibo river basins of South America. It is found only in fresh water. It has been introduced into Florida, although it has not been established there. It is commonly known as cajaro in Venezuela and pirarara in Brazil. It is the only still-living member of the genus Phractocephalus. Despite growing to a large size, it is a popular...

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Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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